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Finding the Fourth Proportional to 221,656.32, 332,484.48 and 55,444.32

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Solution

The fourth proportional to 221,656.32, 332,484.48 and 55,444.32 is: 83,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,656.32 : 332,484.48 = 55,444.32 : x
  2. Step 2: Convert to fraction form
    221,656.32/332,484.48 = 55,444.32/x
  3. Step 3: Cross multiply
    221,656.32x = 332,484.48 × 55,444.32
  4. Step 4: Simplify right side
    221,656.32x = 18,434,375,904.15
  5. Step 5: Solve for x
    x = 18,434,375,904.15/221,656.32
  6. Step 6: Final answer
    x = 83,166.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.